curl -X POST 'http://127.0.0.1/v1/chat-messages' \
--header 'Authorization: Bearer {api_key}' \
--header 'Content-Type: application/json' \
--data-raw '{
  "inputs": {},
  "query": "What are the specs of the iPhone 13 Pro Max?",
  "response_mode": "streaming",
  "conversation_id": "",
  "user": "abc-123",
  "files": [
      {
          "type": "image",
          "transfer_method": "remote_url",
          "url": "https://cloud.dify.ai/logo/logo-site.png"
      }
  ]
}'